German guy implicated in nightspot tomfoolery (4)

I believe the answer is:

otto

I'm a little stuck... Click here to teach me more about this clue!

'german guy' is the definition.
(common German name)

'in nightspot tomfoolery' is the wordplay.
'in' indicates the answer is hidden within the clue.
'OTTO' is hidden within 'nightspot tomfoolery'.

'implicated' is the link.
I am not very happy about this link. It may be part of another bit of the clue.

Can you help me to learn more?

(Other definitions for otto that I've seen before include "Cooker" , "A man" , "Italian for eight" , "perfume ingredient" , "Palindromic man's name" .)

I've seen this clue in The Telegraph.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.